MoveLast() публичный Метод

Moves the Cursor to the last Database element
public MoveLast ( ) : void
Результат void
Пример #1
0
 private void MoveLast()
 {
     Cursor c = new Cursor(db);
     byte[] k = new byte[5];
     byte[] r = new byte[5];
     db.Insert(k, r);
     c.MoveLast();
 }
Пример #2
0
        private void Cursor10000Test()
        {
            //create database
            Upscaledb.Environment env = new Upscaledb.Environment();
            env.Create("ntest.db");

            Parameter[] param = new Parameter[1];
            param[0] = new Parameter();
            param[0].name = UpsConst.UPS_PARAM_KEY_TYPE;
            param[0].value = UpsConst.UPS_TYPE_UINT64;
            Database db = env.CreateDatabase(1, 0, param);

            //insert records
            for (ulong i = 0; i < 10000; i++)
            {
                byte[] key = BitConverter.GetBytes(i);
                byte[] record = new byte[20];
                db.Insert(key, record);
            }

            //close database
            db.Close();

            //reopen again
            db = env.OpenDatabase(1);
            Cursor cursor = new Cursor(db);

            cursor.MoveFirst();
            ulong firstKey = BitConverter.ToUInt64(cursor.GetKey(), 0);
            Assert.AreEqual((ulong)0, firstKey);

            cursor.MoveLast();
            ulong lastKey = BitConverter.ToUInt64(cursor.GetKey(), 0);
            Assert.AreEqual((ulong)9999, lastKey);

            //close database
            cursor.Close();
            db.Close();
            env.Close();
        }